Abstract
Esca of grapevine is a fungal disease with a complex aetiology that is common in almost all regions of the world where grapes are cultivated. Despite much research, no effective control of the disease has been found. We investigated possible activity of fosetyl-aluminium (fosetyl-Al), an active ingredient in many fungicides against downy mildew, to inhibit development of esca in grapevine and the main pathogens linked to the disease, Phaeomoniella chlamydospora (Pch) and Phaeoacremonium aleophilum (Pal). In greenhouse experiments conducted on vines artificially inoculated with Pch or Pal, we found a reduction in necrosis in the woody tissue. In field experiments conducted over several years statistically significant reductions in the annual and cumulative incidence of the disease symptoms, and in cumulative vine mortality, were seen. The effect of fosetyl-Al treatments on leaf gas exchange, levels of resveratrol and å-viniferin in the wood, and enzymatic activities were also studied. Hypotheses regarding the mechanism of action of fosetyl-Al against esca are outlined, and the possible use of products containing the chemical, applied on foliage to control downy mildew, is discussed as a strategy for control of esca.
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Claims 3
Claim · model-written summary
Fosetyl-aluminium reduced necrosis in the woody tissue of grapevines inoculated with Pch or Pal in greenhouse experiments.
- Organ / stage
- woody tissuee0
- Treatment
- fosetyl-aluminiume1
- Interactor
- Pche0pathogen
- Second interactor
- Pale0pathogen
- Outcome
- necrosis in the woody tissuee0
- Direction
- reductione0
- Setting
- greenhouse experimentse0
VitisNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“In greenhouse experiments conducted on vines artificially inoculated with Pch or Pal, we found a reduction in necrosis in the woody tissue”
e1“We investigated possible activity of fosetyl-aluminium (fosetyl-Al), an active ingredient in many fungicides against downy mildew, to inhibit development of esca in grapevine”
Claim · model-written summary
Fosetyl-aluminium significantly reduced the annual and cumulative incidence of esca symptoms in field experiments over several years.
- Treatment
- fosetyl-aluminiume1
- Outcome
- annual and cumulative incidence of the disease symptomse2
- Direction
- reductionse2
- Qualifier
- over several yearse2
- Setting
- field experimentse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“We investigated possible activity of fosetyl-aluminium (fosetyl-Al), an active ingredient in many fungicides against downy mildew, to inhibit development of esca in grapevine”
e2“In field experiments conducted over several years statistically significant reductions in the annual and cumulative incidence of the disease symptoms, and in cumulative vine mortality, were seen”
Claim · model-written summary
Fosetyl-aluminium significantly reduced cumulative vine mortality in field experiments on grapevine.
- Treatment
- fosetyl-aluminiume1
- Outcome
- cumulative vine mortalitye2
- Direction
- reductionse2
- Qualifier
- over several yearse2
- Setting
- field experimentse2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“We investigated possible activity of fosetyl-aluminium (fosetyl-Al), an active ingredient in many fungicides against downy mildew, to inhibit development of esca in grapevine”
e2“In field experiments conducted over several years statistically significant reductions in the annual and cumulative incidence of the disease symptoms, and in cumulative vine mortality, were seen”
The same questions in other papers
fosetyl-Al · disease · VitisPositive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
1 paper more in this group
See all 5 papers →fosetyl-Al · pest · VitisResults agree
1 paper in the same direction as this paper
- positive
Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.